Home / 109,284.30-150,823.35-66,286.26

Finding the Fourth Proportional to 109,284.30, 150,823.35 and 66,286.26

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Solution

The fourth proportional to 109,284.30, 150,823.35 and 66,286.26 is: 91,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,284.30 : 150,823.35 = 66,286.26 : x
  2. Step 2: Convert to fraction form
    109,284.30/150,823.35 = 66,286.26/x
  3. Step 3: Cross multiply
    109,284.30x = 150,823.35 × 66,286.26
  4. Step 4: Simplify right side
    109,284.30x = 9,997,515,792.17
  5. Step 5: Solve for x
    x = 9,997,515,792.17/109,284.30
  6. Step 6: Final answer
    x = 91,481.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.